Alligator River National Wildlife Refuge

Wildlife Sanctuary · United States

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Photo © Joshua Liverman

Photo © Joshua Liverman — CC BY 4.0 — Source: iNaturalist

Where the coastal plain of North Carolina meets the Albemarle Peninsula, a sprawling mosaic of freshwater marshes, pocosins, and swamp forest creates one of the Atlantic seaboard's most ecologically vital landscapes. Alligator River National Wildlife Sanctuary encompasses over 152,000 acres of this continuously wet terrain, where water levels remain high year-round under a humid subtropical climate that ensures no dry season. The refuge's intricate network of sound waters, brackish creeks, and impounded wetlands supports an extraordinary diversity of wildlife adapted to these transitional zones. Wading birds move through shallow margins at dawn, raptors quarter the open marshes and forest edges, and the sanctuary's interior supports small mammals, freshwater fish, and the amphibians that thrive in this perpetually moist environment. Migratory waterfowl use these waters as crucial stopovers during their seasonal movements, while year-round residents exploit the refuge's reliable food sources and shelter.

For photographers and field naturalists, Alligator River offers unparalleled access to marsh ecology and the birds and predators that hunt across it. The refuge's viewing areas and trails position observers at eye level with wildlife moving through open water and wetland vegetation, while the soft, diffuse light of overcast coastal days and the dramatic cloud formations that build over the sound create compelling conditions for both still and motion work. Spring and autumn bring waves of migratory species, while winter transforms the refuge into a haunt for cold-weather specialists and visiting raptors. The sanctuary's infrastructure supports serious wildlife observation without compromising the wild character of one of the Southeast's least developed coastal ecosystems.

Website fws.gov/refuge/alligator_river

Haliaeetus leucocephalus

Aquila chrysaetos

Branta canadensis

Cygnus columbianus

Spatula cyanoptera

Northern Shoveler

Spatula clypeata

Mareca strepera

American Wigeon

Mareca americana

Anas platyrhynchos

American Black Duck

Northern Pintail

Aythya valisineria

Ring-necked Duck

Aythya collaris

Bucephala albeola

Hooded Merganser

Lophodytes cucullatus

Oxyura jamaicensis

Northern Bobwhite

Colinus virginianus

Meleagris gallopavo

Chaetura pelagica

Ruby-throated Hummingbird

Archilochus colubris

Yellow-billed Cuckoo

Coccyzus americanus

Porzana carolina

Fulica americana

Antigone canadensis

Pied-billed Grebe

Podilymbus podiceps

Podiceps auritus

Pluvialis squatarola

American Golden Plover

Pluvialis dominica

Charadrius vociferus

American Woodcock

Gallinago delicata

Spotted Sandpiper

Actitis macularius

Solitary Sandpiper

Tringa solitaria

Lesser Yellowlegs

Tringa flavipes

Greater Yellowlegs

Tringa melanoleuca

Calidris alpina

Semipalmated Sandpiper

Calidris pusilla

Thalasseus maximus

Bonaparte's Gull

Chroicocephalus philadelphia

Black-headed Gull

Chroicocephalus ridibundus

Leucophaeus atricilla

Ring-billed Gull

Larus delawarensis

Great Black-backed Gull

Lesser Black-backed Gull

American Herring Gull

Larus smithsonianus

Red-throated Loon

Mycteria americana

Double-crested Cormorant

Nannopterum auritum

American White Ibis

Eudocimus albus

American Bittern

Botaurus lentiginosus

Yellow-crowned Night Heron

Nyctanassa violacea

Little Blue Heron

Egretta caerulea

Tricolored Heron

Egretta tricolor

Butorides virescens

Great Blue Heron

Pelecanus occidentalis

Coragyps atratus

Pandion haliaetus

Sharp-shinned Hawk

Accipiter striatus

Northern Harrier

Circus hudsonius

Red-shouldered Hawk

Swainson's Hawk

Buteo swainsoni

Rough-legged Buzzard

Eastern Screech Owl

Belted Kingfisher

Megaceryle alcyon

Red-headed Woodpecker

Melanerpes erythrocephalus

Red-bellied Woodpecker

Melanerpes carolinus

Yellow-bellied Sapsucker

Sphyrapicus varius

Downy Woodpecker

Dryobates pubescens

Hairy Woodpecker

Leuconotopicus villosus

Northern Flicker

Colaptes auratus

Pileated Woodpecker

Dryocopus pileatus

Falco columbarius

Sayornis phoebe

Eastern Wood Pewee

Contopus virens

Eastern Kingbird

Tyrannus tyrannus

Tyrannus dominicensis

Ash-throated Flycatcher

Myiarchus cinerascens

Great Crested Flycatcher

Myiarchus crinitus

Vireo olivaceus

Blue-headed Vireo

Vireo solitarius

White-eyed Vireo

Cyanocitta cristata

Bombycilla cedrorum

Carolina Chickadee

Poecile carolinensis

Tachycineta bicolor

Petrochelidon fulva

Cistothorus palustris

Thryothorus ludovicianus

Northern House Wren

Troglodytes aedon

Blue-grey Gnatcatcher

Polioptila caerulea

Brown-headed Nuthatch

Dumetella carolinensis

Northern Mockingbird

Mimus polyglottos

Toxostoma rufum

Common Starling

Sturnus vulgaris

Eastern Bluebird

Catharus guttatus

Turdus migratorius

Anthus rubescens

American Goldfinch

Plectrophenax nivalis

Chipping Sparrow

Spizella passerina

White-throated Sparrow

Zonotrichia albicollis

Saltmarsh Sparrow

Ammospiza caudacuta

Savannah Sparrow

Passerculus sandwichensis

Melospiza melodia

Lincoln's Sparrow

Melospiza lincolnii

Melospiza georgiana

Eastern Meadowlark

Sturnella magna

Baltimore Oriole

Icterus galbula

Red-winged Blackbird

Agelaius phoeniceus

Brown-headed Cowbird

Rusty Blackbird

Euphagus carolinus

Quiscalus quiscula

Boat-tailed Grackle

Quiscalus major

Worm-eating Warbler

Helmitheros vermivorum

Black-and-white Warbler

Mniotilta varia

Prothonotary Warbler

Protonotaria citrea

Swainson's Warbler

Limnothlypis swainsonii

Orange-crowned Warbler

Leiothlypis celata

Nashville Warbler

Leiothlypis ruficapilla

Common Yellowthroat

Geothlypis trichas

American Redstart

Setophaga ruticilla

Northern Parula

Setophaga americana

Setophaga pinus

Setophaga coronata

Yellow-throated Warbler

Setophaga dominica

Prairie Warbler

Setophaga discolor

Black-throated Grey Warbler

Setophaga nigrescens

Black-throated Green Warbler

Setophaga virens

Rose-breasted Grosbeak

Pheucticus ludovicianus

Northern Cardinal

Cardinalis cardinalis

Spiza americana

Passerina caerulea

Passerina cyanea

Black-bellied Whistling Duck

Dendrocygna autumnalis

Branta hutchinsii

Anser caerulescens

Greater White-fronted Goose

Anser albifrons

Cygnus buccinator

Blue-winged Teal

Spatula discors

Eurasian Wigeon

Mareca penelope

Aythya americana

Melanitta perspicillata

Melanitta americana

Common Goldeneye

Bucephala clangula

Common Merganser

Mergus merganser

Red-breasted Merganser

Mergus serrator

Common Nighthawk

Chordeiles minor

Chuck-will's-widow

Antrostomus carolinensis

Eastern Whip-poor-will

Antrostomus vociferus

Black-billed Cuckoo

Coccyzus erythropthalmus

Eurasian Collared Dove

Streptopelia decaocto

White-winged Dove

Zenaida asiatica

Rallus crepitans

Rallus limicola

Common Gallinule

Gallinula galeata

Red-necked Grebe

Podiceps grisegena

Black-necked Grebe

Podiceps nigricollis

American Oystercatcher

Haematopus palliatus

Black-necked Stilt

Himantopus mexicanus

American Avocet

Recurvirostra americana

Pacific Golden Plover

Pluvialis fulva

Semipalmated Plover

Charadrius semipalmatus

Upland Sandpiper

Bartramia longicauda

Hudsonian Whimbrel

Numenius hudsonicus

Long-billed Dowitcher

Limnodromus scolopaceus

Short-billed Dowitcher

Limnodromus griseus

Wilson's Phalarope

Phalaropus tricolor

Tringa semipalmata

Ruddy Turnstone

Arenaria interpres

Calidris pugnax

Stilt Sandpiper

Calidris himantopus

Least Sandpiper

Calidris minutilla

White-rumped Sandpiper

Calidris fuscicollis

Pectoral Sandpiper

Calidris melanotos

Western Sandpiper

Sternula antillarum

Gull-billed Tern

Gelochelidon nilotica

Hydroprogne caspia

Chlidonias niger

Sterna forsteri

Thalasseus sandvicensis

Magnificent Frigatebird

Fregata magnificens

Northern Gannet

Anhinga anhinga

Plegadis falcinellus

American White Pelican

Pelecanus erythrorhynchos

Swallow-tailed Kite

Elanoides forficatus

Mississippi Kite

Ictinia mississippiensis

Broad-winged Hawk

Buteo platypterus

American Barn Owl

Northern Saw-whet Owl

Aegolius acadicus

Short-eared Owl

Red-cockaded Woodpecker

Leuconotopicus borealis

Peregrine Falcon

Falco peregrinus

Acadian Flycatcher

Empidonax virescens

Least Flycatcher

Empidonax minimus

Western Kingbird

Tyrannus verticalis

Philadelphia Vireo

Vireo philadelphicus

Eastern Warbling Vireo

Yellow-throated Vireo

Vireo flavifrons

Loggerhead Shrike

Lanius ludovicianus

Corvus brachyrhynchos

Corvus ossifragus

Tufted Titmouse

Baeolophus bicolor

Eremophila alpestris

Riparia riparia

Northern Rough-winged Swallow

Stelgidopteryx serripennis

American Cliff Swallow

Petrochelidon pyrrhonota

Golden-crowned Kinglet

Regulus satrapa

Troglodytes hiemalis

White-breasted Nuthatch

Sitta carolinensis

Red-breasted Nuthatch

Sitta canadensis

Certhia americana

Hylocichla mustelina

Swainson's Thrush

Catharus ustulatus

Grey-cheeked Thrush

Catharus minimus

Catharus fuscescens

Passer domesticus

Haemorhous purpureus

Acanthis flammea

Loxia curvirostra

Lapland Longspur

Calcarius lapponicus

Grasshopper Sparrow

Ammodramus savannarum

Chondestes grammacus

Clay-colored Sparrow

Spizella pallida

Spizella pusilla

Red Fox Sparrow

Passerella iliaca

White-crowned Sparrow

Zonotrichia leucophrys

Pooecetes gramineus

Seaside Sparrow

Ammospiza maritima

Nelson's Sparrow

Ammospiza nelsoni

Pipilo erythrophthalmus

Yellow-breasted Chat

Yellow-headed Blackbird

Xanthocephalus xanthocephalus

Dolichonyx oryzivorus

Icterus spurius

Brewer's Blackbird

Euphagus cyanocephalus

Seiurus aurocapilla

Louisiana Waterthrush

Parkesia motacilla

Northern Waterthrush

Parkesia noveboracensis

Blue-winged Warbler

Vermivora cyanoptera

Tennessee Warbler

Leiothlypis peregrina

Connecticut Warbler

Oporornis agilis

Kentucky Warbler

Geothlypis formosa

Setophaga citrina

Cape May Warbler

Setophaga tigrina

Magnolia Warbler

Setophaga magnolia

Bay-breasted Warbler

Setophaga castanea

Blackburnian Warbler

Setophaga fusca

Chestnut-sided Warbler

Setophaga pensylvanica

Blackpoll Warbler

Setophaga striata

Black-throated Blue Warbler

Setophaga caerulescens

Townsend's Warbler

Setophaga townsendi

Wilson's Warbler

Cardellina pusilla

Scarlet Tanager

Piranga olivacea

Painted Bunting

Passerina ciris

White-winged Scoter

Melanitta deglandi

Long-tailed Duck

Clangula hyemalis

Rufous Hummingbird

Selasphorus rufus

Eurasian Whimbrel

Numenius phaeopus

Red-necked Phalarope

Phalaropus lobatus

Larus hyperboreus

Larus glaucoides

Parasitic Jaeger

Stercorarius parasiticus

Atlantic Puffin

Fratercula arctica

Mangrove Warbler

Setophaga petechia

American Black Bear

Ursus americanus

Virginia Opossum

Didelphis virginiana

Sylvilagus palustris

Eastern Gray Squirrel

Sciurus carolinensis

North American Beaver

Castor canadensis

Hispid Cotton Rat

Sigmodon hispidus

Northern Short-tailed Shrew

Blarina brevicauda

Rafinesque's Big-eared Bat

Corynorhinus rafinesquii

North American River Otter

Lontra canadensis

Northern Raccoon

Northern Gray Fox

Urocyon cinereoargenteus

White-tailed Deer

Odocoileus virginianus

Tamanend's Bottlenose Dolphin

Tursiops erebennus

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